llvm/test/MC/ELF/common.s

   1 // RUN: llvm-mc -filetype=obj -triple x86_64-pc-linux-gnu %s -o - | llvm-readobj --symbols - | FileCheck %s
   2
   3
   4         .text
   5
   6 // Test that this produces a regular local symbol.
   7         .type   common1,@object
   8         .local  common1
   9         .comm   common1,1,1
  10
  11 // CHECK:        Symbol {
  12 // CHECK:          Name: common1
  13 // CHECK-NEXT:     Value: 0x0
  14 // CHECK-NEXT:     Size: 1
  15 // CHECK-NEXT:     Binding: Local
  16 // CHECK-NEXT:     Type: Object
  17 // CHECK-NEXT:     Other: 0
  18 // CHECK-NEXT:     Section:
  19 // CHECK-NEXT:   }
  20
  21
  22 // Same as common1, but with directives in a different order.
  23         .local  common2
  24         .type   common2,@object
  25         .comm   common2,1,1
  26
  27 // CHECK:        Symbol {
  28 // CHECK:          Name: common2
  29 // CHECK-NEXT:     Value: 0x1
  30 // CHECK-NEXT:     Size: 1
  31 // CHECK-NEXT:     Binding: Local
  32 // CHECK-NEXT:     Type: Object
  33 // CHECK-NEXT:     Other: 0
  34 // CHECK-NEXT:     Section:
  35 // CHECK-NEXT:   }
  36
  37
  38         .local  common6
  39         .comm   common6,8,16
  40
  41 // CHECK:        Symbol {
  42 // CHECK:          Name: common6
  43 // CHECK-NEXT:     Value: 0x10
  44 // CHECK-NEXT:     Size: 8
  45 // CHECK-NEXT:     Binding: Local
  46 // CHECK-NEXT:     Type: Object
  47 // CHECK-NEXT:     Other: 0
  48 // CHECK-NEXT:     Section: .bss
  49 // CHECK-NEXT:   }
  50
  51
  52 // Test that without an explicit .local we produce a global.
  53         .type   common3,@object
  54         .comm   common3,4,4
  55
  56 // CHECK:        Symbol {
  57 // CHECK:          Name: common3
  58 // CHECK-NEXT:     Value: 0x4
  59 // CHECK-NEXT:     Size: 4
  60 // CHECK-NEXT:     Binding: Global
  61 // CHECK-NEXT:     Type: Object
  62 // CHECK-NEXT:     Other: 0
  63 // CHECK-NEXT:     Section: Common (0xFFF2)
  64 // CHECK-NEXT:   }
  65
  66
  67 // Test that without an explicit .local we produce a global, even if the first
  68 // occurrence is not in a directive.
  69         .globl  foo
  70         .type   foo,@function
  71 foo:
  72         movsbl  common4+3(%rip), %eax
  73
  74
  75         .type   common4,@object
  76         .comm   common4,40,16
  77
  78 // CHECK:        Symbol {
  79 // CHECK:          Name: common4
  80 // CHECK-NEXT:     Value: 0x10
  81 // CHECK-NEXT:     Size: 40
  82 // CHECK-NEXT:     Binding: Global
  83 // CHECK-NEXT:     Type: Object
  84 // CHECK-NEXT:     Other: 0
  85 // CHECK-NEXT:     Section: Common (0xFFF2)
  86 // CHECK-NEXT:   }
  87
  88
  89         .comm   common5,4,4
  90
  91 // CHECK:        Symbol {
  92 // CHECK:          Name: common5
  93 // CHECK-NEXT:     Value: 0x4
  94 // CHECK-NEXT:     Size: 4
  95 // CHECK-NEXT:     Binding: Global
  96 // CHECK-NEXT:     Type: Object
  97 // CHECK-NEXT:     Other: 0
  98 // CHECK-NEXT:     Section: Common (0xFFF2)
  99 // CHECK-NEXT:   }